Man pages matching name ac in section 1:

ac.1.en	debian 10 / acct
ac.1.pl	debian 10 / manpages-pl
ac.1.zh_CN	debian 10 / manpages-zh
ac.1.zh_TW	debian 10 / manpages-zh
ac.1.en	debian 11 / acct
ac.1.es	debian 11 / manpages-es
ac.1.pl	debian 11 / manpages-pl
ac.1.zh_CN	debian 11 / manpages-zh
ac.1.zh_TW	debian 11 / manpages-zh
ac.1.en	debian 12 / acct
ac.1.es	debian 12 / manpages-es
ac.1.fi	debian 12 / manpages-fi
ac.1.pl	debian 12 / manpages-pl
ac.1.zh_CN	debian 12 / manpages-zh
ac.1.zh_TW	debian 12 / manpages-zh